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Ports for windows file sharing

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Ports for windows file sharing

Postby chicagotech » Sat Oct 18, 2008 9:41 am

It depends on the windows version and how you access sharing. Quoted from Microsoft:

The following ports are associated with file sharing and server message block (SMB) communications:
• Microsoft file sharing SMB: User Datagram Protocol (UDP) ports from 135 through 139 and Transmission Control Protocol (TCP) ports from 135 through 139.
• Direct-hosted SMB traffic without a network basic input/output system (NetBIOS): port 445 (TCP and UPD).

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> assuming server1 connection to server2 all ports are blocked, which port(s)
> do i need to open to enable \\IP(server2)\share to be accessible from
> server1 ?
>
> - servers are both stand alone
> - i will login using NT authentication
>
> Thank you
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Postby guest » Sat Oct 18, 2008 9:47 am

Ports Used for Vista File and Printer Sharing
Rule Name Port Protocol Notes
File and Printer Sharing (NB Name In) 137 UDP Used for NetBIOS Name Resolution
File and Printer Sharing (NB Datagram In) 138 UDP Used for enabling NetBIOS Datagram transmission and reception.
File and Printer Sharing (NB Session In) 139 TCP Used for enabling NetBIOS session Service.
File and Printer Sharing (SMB In) 445 TCP Used for enabling Server Message Block transmission and reception
via Named Pipes.
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Postby guest » Sat Oct 18, 2008 9:59 am

Distributed File System
The Distributed File System (DFS) integrates disparate file shares that are located across a local area network (LAN) or wide area network (WAN) into a single logical namespace. The DFS service is required for Active Directory domain controllers to advertise the SYSVOL shared folder.

System service name: DfsApplication protocol Protocol Ports
NetBIOS Datagram Service UDP 138
NetBIOS Session Service TCP 139
LDAP Server TCP 389
LDAP Server UDP 389
SMB TCP 445
RPC TCP 135
Randomly allocated high TCP ports TCP random port number between 1024 - 65535*
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Re: Ports for windows file sharing

Postby liyang » Fri Apr 02, 2010 1:17 am

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Wow, you are too talented, and have time to really learn to like you......................................
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